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SMLLvsFNXETF Comparison

ETF 1

SMLL

Harbor Active Small Cap ETF

This fund is part of

US Small Cap

+0.81%

Full SMLL fund page

VS

ETF 2

FNX

First Trust Mid Cap Core AlphaDEX Fund ETF

This fund is part of

US Multi-Factor

+0.58%

Full FNX fund page

Harbor Active Small Cap ETF (SMLL) belongs to the US Small Cap segment. First Trust Mid Cap Core AlphaDEX Fund ETF (FNX) is part of the US Multi-Factor segment. SMLL's top 3 sector exposures are Industrials, Financials and Information Technology. In contrast, FNX's top sector exposures are Financials, Industrials and Consumer Discretionary. SMLL is more expensive with a Total Expense Ratio (TER) of 0.8%, versus 0.62% for FNX. SMLL is up 4.26% year-to-date (YTD) with -$1M in YTD flows. FNX performs better with 14.4% YTD performance, and +$40M in YTD flows. Run a side-by-side ETF comparison of SMLL and FNX below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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SMLL vs FNX performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SMLL FNX	+1.96%+4.23%	+9.14%+13.18%	+4.26%+14.40%	+0.50%+28.20%	n/a+59.28%	n/a+51.27%
Flows	SMLL FNX	-$502K+$14M	-$978K+$20M	-$1M+$40M	-$5M-$30M	--$140M	--$77M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SMLL FNX	+14.77%+17.28%	+17.45%+16.38%	n/a+18.95%	n/a+20.81%
Max drawdown	SMLL FNX	-4.44%-4.40%	-15.18%-9.22%	n/a-25.04%	n/a-25.04%
Max drawdown duration	SMLL FNX	32d19d	292d65d	n/a289d	n/a289d

Trading data

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	SMLL	FNX
Last sale 6/12/2026 at 1:30 PM	$20.74	$143.65
Previous close 06/11/2026	$20.57	$142.32
Consolidated volume 06/11/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

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SMLL

is actively managed and doesn’t replicate an index

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	SMLL	FNX
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/12/2026 at 1:30 PM

Live

Closed

	SMLL	FNX
Last price	$20.74	$143.65
1D performance	+0.84%	+0.93%
AuM	$13.51 M	$1.39 B
E/R	0.8%	0.62%

Characteristics

	SMLL	FNX
Management strategy	Active	Passive
Provider	Harbor Capital	First Trust
Benchmark	-	NASDAQ AlphaDEX Mid Cap Core Index
N° of holdings	37	416
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	August 28, 2024	May 8, 2007
ESG	No	No

More SMLL data on Trackinsight

More FNX data on Trackinsight

Exposure

Countries

SMLL

USA

87.82%

Other

12.18%

FNX

USA

89.56%

Other

10.44%

Sectors

SMLL

Industrials

24.6%

Financials

17.49%

Information Techn.

15.68%

Materials

7.37%

Other

34.86%

FNX

Financials

18.53%

Industrials

17.02%

Consumer Discreti.

13.97%

Information Techn.

10.75%

Health Care

7.57%

Other

32.15%

Diversification

SMLL

Total weight of top 15 holdings out of 15

53.94%

FNX

Total weight of top 15 holdings out of 15

6.62%

Top 15 holdings

Data as of April 30, 2026

SMLL

RELIANCE STEEL

5.11%

POOL

5.03%

REMITLY GLOBAL

4.58%

WILLSCOT MOBILE MINI HOLDINGS CORP

4.19%

WINTRUST FINCL

3.96%

DOUGLAS DYNMCS

3.89%

LIBERTY OILFIELD SERVICES

3.83%

MORNINGSTAR INC

3.51%

UNITED BANKSHRS

3.14%

JANUS INTERNATIONAL GROUP INC

3.08%

SS+C TECHNOL

3.06%

FRESHWORKS

2.71%

ARTISAN PARTNERS ASSET MANAGEMENT INC

2.71%

PAYLOCITY HOLD/D

2.59%

HILLMAN SOLUTIONS CORP

2.57%

FNX

SANMINA CORP

0.58%

VICOR

0.53%

TTM TECHNOLOGIES

0.49%

VIAVI SOLUTIONS INC

0.45%

VIASAT

0.44%

IES HOLDINGS

0.44%

PLANET LABS PBC

0.43%

KILROY REALTY REIT

0.42%

DYCOM INDUSTRIES

0.41%

ENERSYS

0.41%

PRIMORIS SERVICES

0.41%

FIRST AMERICAN FINANCIAL

0.41%

VORNADO REALTY TRUST

0.40%

VICTORY CAPITAL HOLDINGS INC

0.40%

STERLING INFRASTRUCTURE INC

0.40%

Frequently asked questions about SMLL and FNX

How have the SMLL and FNX ETFs performed in 2026?

As of June 12, 2026, SMLL is up 4.26% year-to-date (YTD), while FNX has returned 14.4%. That puts FNX better performer ahead so far this year.

Which ETF is attracting more investor money: SMLL or FNX?

Year-to-date, the SMLL ETF saw -$1M in flows, compared to +$40M for FNX.

Which ETF is more volatile: SMLL or FNX?

Over the past year, SMLL had a volatility of 17.45%, while FNX experienced 16.38%.

Which ETF is bigger: SMLL or FNX?

As of June 12, 2026, SMLL holds $13.51 M in assets under management (AUM), while FNX manages $1.39 B.

What sectors do the SMLL and FNX ETFs invest in?

SMLL leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, FNX focuses on Financials, Industrials and Consumer Discretionary.

SMLLvsFNXETF Comparison

Harbor Active Small Cap ETF

First Trust Mid Cap Core AlphaDEX Fund ETF

SMLL vs FNX performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the SMLL and FNX ETFs performed in 2026?

As of June 12, 2026, SMLL is up 4.26% year-to-date (YTD), while FNX has returned 14.4%. That puts FNX better performer ahead so far this year.

Which ETF is attracting more investor money: SMLL or FNX?

Year-to-date, the SMLL ETF saw -$1M in flows, compared to +$40M for FNX.

Which ETF is more volatile: SMLL or FNX?

Over the past year, SMLL had a volatility of 17.45%, while FNX experienced 16.38%.

Which ETF is bigger: SMLL or FNX?

As of June 12, 2026, SMLL holds $13.51 M in assets under management (AUM), while FNX manages $1.39 B.

What sectors do the SMLL and FNX ETFs invest in?

SMLL leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, FNX focuses on Financials, Industrials and Consumer Discretionary.

What are the top holdings of the SMLL ETF and FNX ETF?

SMLL top holdings include RELIANCE STEEL, POOL and REMITLY GLOBAL. FNX holds in its top three: SANMINA CORP, VICOR and TTM TECHNOLOGIES.

Which ETF is more diversified: SMLL or FNX?

SMLL holds 37 securities with 53.94% of its assets in the top 15. FNX has 420 securities and a top 15 weight of 6.62%.

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